3A/3B Mathematics Specialist Sandpit

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Try some maths:
$x^2-y^2=(x+y)(x-y)$
$(x+y)^2=x^2+2xy+y^2$
$(x-y)^2=x^2-2xy+y^2$

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This page has been edited 3 times. The last modification was made by
- sekhonjs on Feb 17, 2009 2:35 am